Add missing includes.

Patch by Cristina Cristescu.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274004 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/PBQP/Graph.h

@@ -16,6 +16,9 @@
 #define LLVM_CODEGEN_PBQP_GRAPH_H
 
 #include "llvm/Support/Debug.h"
+#include <algorithm>
+#include <cassert>
+#include <limits>
 #include <utility>
 #include <vector>
 

include/llvm/IR/UseListOrder.h

@@ -15,6 +15,7 @@
 #ifndef LLVM_IR_USELISTORDER_H
 #define LLVM_IR_USELISTORDER_H
 
+#include <cstddef>
 #include <vector>
 
 namespace llvm {